1. Balloon Rocket Experiment: Teach your students about the principles of thrust and propulsion by creating a simple balloon rocket using a straw, string, and a balloon.
2. Lemon Battery: Show your students how to generate electricity using lemon, copper, and zinc nails. They will be amazed at how a mere fruit can power a small LED bulb.
3. Solar Oven: Demonstrate solar energy at work by constructing a solar oven using a pizza box, aluminum foil, and plastic wrap. This project will teach your students about renewable energy and the greenhouse effect.
4. Soda and Mentos Geyser: Create a dazzling eruption by dropping Mentos candies into a bottle of soda. This experiment explores the concepts of gas pressure and nucleation.
5. Elephant Toothpaste: Spark your students’ curiosity by making a foamy chemical reaction using hydrogen peroxide, dish soap, and yeast. This project showcases the properties of catalysts and exothermic reactions.
6. Rainbow Milk: Unleash the magic of surface tension and chemistry by dropping food coloring into milk with a bit of dish soap. Observe captivating swirling patterns as the colors mix and disperse.
7. Egg Drop Challenge: Inspire your students to think creatively by challenging them to design a protective container that can keep an egg from breaking when dropped from a height.
8. DIY Lava Lamp: Combine oil, water, and food coloring to create mesmerizing blobs that resemble a lava lamp. This experiment investigates the density and immiscibility of liquids.
9. Static Electricity Butterfly: Build an electrifying butterfly using a balloon, thread, and lightweight objects like tissue paper. This project explores the principles of static electricity and attraction.

10. Edible DNA Model: Teach your students about the structure of DNA by constructing a delicious edible model using licorice, marshmallows, and toothpicks. This activity makes genetics more digestible!
11. Baking Soda Volcano: Create an explosive volcanic eruption by mixing baking soda and vinegar. This classic experiment demonstrates the principles of acid-base reactions and gas release.
12. Oobleck: Introduce your students to the concept of non-Newtonian fluids by making Oobleck – a mixture of cornstarch and water that behaves like a liquid and a solid simultaneously.
13. Rainbow Fireworks in a Jar: Wow your students with a firework display in a jar using oil, water, and food coloring. This vibrant experiment demonstrates the properties of density and immiscibility.
14. Crystal Garden: Help your students grow their own beautiful crystal garden using salt, water, and patience. This project allows them to explore the process of crystallization and observe stunning formations.
15. Straw Flute: Engage your students in the world of music by creating a DIY straw flute using straws, scissors, and tape. This project provides insight into pitch and sound production.

These 5th-grade science projects are sure to captivate your students’ minds and ignite their curiosity about the wonders of science. Enjoy exploring these fun and educational experiments!